201213232311979 has 2 divisors, whose sum is σ = 201213232311980. Its totient is φ = 201213232311978.

The previous prime is 201213232311943. The next prime is 201213232312009. The reversal of 201213232311979 is 979113232312102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201213232311979 - 2³⁵ = 201178872573611 is a prime.

It is not a weakly prime, because it can be changed into another prime (201213232321979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100606616155989 + 100606616155990.

It is an arithmetic number, because the mean of its divisors is an integer number (100606616155990).

Almost surely, 2^{201213232311979} is an apocalyptic number.

201213232311979 is a deficient number, since it is larger than the sum of its proper divisors (1).

201213232311979 is an equidigital number, since it uses as much as digits as its factorization.

201213232311979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 201213232311979 in words is "two hundred one trillion, two hundred thirteen billion, two hundred thirty-two million, three hundred eleven thousand, nine hundred seventy-nine".